The Breeze is a tiny, personal breathalyzer that syncs with your smartphone to estimate when you might be sober again. If you don’t feel like waiting around, the app can also hail a cab ...

To reduce the number of impaired drivers, CDOT and BACtrack, a personal breathalyzer company, are teaming up. The initiative is called “Before You Go, Know,” a first-of-its-kind, six-week ...